CN109509636B - Comprehensive heat dissipation structure of compensation capacitor of power system - Google Patents
Comprehensive heat dissipation structure of compensation capacitor of power system Download PDFInfo
- Publication number
- CN109509636B CN109509636B CN201811609635.6A CN201811609635A CN109509636B CN 109509636 B CN109509636 B CN 109509636B CN 201811609635 A CN201811609635 A CN 201811609635A CN 109509636 B CN109509636 B CN 109509636B
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- CN
- China
- Prior art keywords
- shell
- heat
- fan
- outer edge
- bin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003990 capacitor Substances 0.000 title claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 title abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a comprehensive heat dissipation structure of a compensation capacitor of an electric power system, wherein a plurality of ribs are radially distributed on the outer edge of a shell, a heat conduction structure is arranged on the outer edge of a capacitor element, and a plurality of arc-shaped heat pipes are radially arranged on the outer edge of the upper end of the heat conduction structure; a plurality of vertical heat pipes are radially arranged at the outer edge of the lower end of the heat conducting structure; the bottom surface of the shell is provided with a fan bin. In the invention, the heat of the lower end part of the capacitor element is transferred to the bottom surface of the shell by using the vertical heat pipe, the heat of the upper end part of the capacitor element is transferred to the outer edge of the shell by using the arc-shaped heat pipe, and the heat of the two places is taken away by upward flowing air generated by the rotation of the fan, so that a good heat dissipation environment is provided for the safe and stable operation of the capacitor.
Description
Technical Field
The invention belongs to the technical field of heat dissipation improvement of capacitor structures, and particularly relates to a comprehensive heat dissipation structure of a compensation capacitor of an electric power system.
Background
The compensation capacitor is an important component in the power system, and can effectively compensate the reactive power factor. The structure is as follows: the capacitor comprises a shell, a capacitor element and a polar plate, wherein the capacitor element is arranged in the shell through a fixing layer, and the polar plate arranged at the upper end of the capacitor element penetrates through an insulating sleeve on an end cover and then stretches out of the end cover. The fixed layer is a poor conductor of heat, and the capacitor element is easy to accumulate in the shell after heating, so that the temperature is extremely fast increased, and explosion accidents occur after overheating. Some manufacturers add heat conducting particles in the fixed layer, conduct heat to the shell through the heat conducting particles, dissipate heat through the shell with a large area, but the structure still has the risk that the heat dissipation effect is poor and the heat is easy to accumulate. The compensation capacitor is generally arranged in the compensation cabinet, and although the cabinet body is provided with fans for discharging heat, the fans have a common heat dissipation effect on the compensation capacitor, and the compensation capacitor still works at a very high temperature, so that the long-term stable high-load work of the compensation capacitor is not facilitated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a comprehensive heat dissipation structure of a compensation capacitor of an electric power system, which utilizes an arc-shaped heat pipe and a vertical heat pipe to transfer heat of a capacitive element to a shell and then actively dissipates heat through a fan, an opening and a gap.
The technical scheme adopted by the invention is as follows:
the utility model provides a heat radiation structure is synthesized to electric power system compensation capacitor, includes casing, capacitive element and polar plate, sets up capacitive element through the fixed layer in the casing, and the polar plate that capacitive element upper end set up stretches out the end cover outside after passing through the insulating sleeve on the end cover, its characterized in that: the outer edge of the shell is radially and uniformly provided with a plurality of convex edges, the outer edge of the capacitor element is provided with a heat conducting structure, the outer edge of the upper end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes, and the outer end part of each arc-shaped heat pipe is connected with the inner wall of the shell;
one ends of a plurality of vertical heat pipes are radially arranged at the outer edge of the lower end of the heat conducting structure, and the other ends of the plurality of vertical heat pipes are connected with the bottom surface of the shell;
the bottom surface of the shell is provided with a fan bin, a fan which is coaxial with the shell is arranged in the fan bin, and the fan can suck air below the fan bin and blow the air out from the upper end of the fan bin to flow upwards along the gap between the two ribs.
And the outer edge of the lower end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes, and the outer side end part of each arc-shaped heat pipe is connected with the inner wall of the shell.
And the lower end part of the shell is embedded in the upper end surface of the fan bin, a copper plate is attached to the bottom surface of the shell, the bottom surface of the copper plate is connected with a wind collecting bin, the fan is installed on the bottom surface of the wind collecting bin, the outer edge of the wind collecting bin is provided with air guide pipes, each air guide pipe is aligned with one opening of the upper end surface of the fan bin, and the opening is aligned with a gap between two ribs.
And a plurality of through holes are formed in the bottom surface of the fan bin.
The invention has the advantages and positive effects that:
1. in this structure, the casing outer fringe radially sets up a plurality of with the same axial bead of casing, the casing lower extreme portion embedding is in a fan storehouse, casing bottom surface below sets gradually copper, wind collection storehouse and fan, the fan rotates, inhale the through-hole of fan storehouse bottom surface with the air, the air is sent to in the wind collection storehouse, take away the heat of the casing bottom surface that copper department conducted, then outside the fan storehouse was blown out through the guide duct of bending, the trompil, the air is along the clearance direction upward flow between two beads, make the heat of casing outer fringe take away by the air that flows, through the guide effect, make peripheral air flow and fill fan storehouse bottom surface below, thereby form quick circulation, for the safety of condenser, stable operation provides good heat dissipation environment.
2. In this structure, heat conduction structure passes through vertical heat pipe transfer to the casing bottom surface with heat, can be effectual, quick with the partly heat of capacitive element export to the casing bottom surface to distribute away as soon as possible through copper and fan etc. reduced the heat of casing bottom surface department, avoided this department to appear overheated problem.
3. In this structure, arc heat pipe will capacitor element's a part heat transfer to the casing outer fringe to by the air that bead gap department direction flowed take away the heat, reduced the heat of casing outer fringe department, avoided this department to appear overheated problem.
4. In the invention, the heat of the lower end part of the capacitor element is transferred to the bottom surface of the shell by using the vertical heat pipe, the heat of the upper end part of the capacitor element is transferred to the outer edge of the shell by using the arc-shaped heat pipe, and the heat of the two places is taken away by upward flowing air generated by the rotation of the fan, so that a good heat dissipation environment is provided for the safe and stable operation of the capacitor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an axial cross-sectional view of FIG. 1;
FIG. 3 is a radial cross-sectional view of FIG. 1;
fig. 4 is an enlarged view of the lower end of the housing of fig. 2.
Detailed Description
The invention will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the invention.
The invention discloses a comprehensive heat dissipation structure of a compensation capacitor of an electric power system, which is shown in figures 1, 2, 3 and 4, and comprises a shell 3, a capacitor element 7 and a polar plate 1, wherein the capacitor element is arranged in the shell through a fixed layer 12, and the polar plate arranged at the upper end of the capacitor element passes through an insulating sleeve 2 on an end cover 4 and then extends out of the end cover, and the innovation of the invention is that: the outer edge of the shell is radially and uniformly provided with a plurality of ribs 5, the outer edge of the capacitor element is provided with a heat conducting structure 8, the outer edge of the upper end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes 9, and the outer end part of each arc-shaped heat pipe is connected with the inner wall of the shell.
One ends of a plurality of vertical heat pipes 11 are radially arranged at the outer edge of the lower end of the heat conducting structure, and the other ends of the plurality of vertical heat pipes are connected with the bottom surface 17 of the shell. The bottom surface of the shell is provided with a fan bin 6, a fan 18 which is coaxial with the shell is arranged in the fan bin, and the fan can suck air below the fan bin and blow the air out from the upper end of the fan bin to guide the air to flow upwards along a gap between the two ribs.
In this embodiment, the upper end face of the fan cabin is embedded with the lower end of the casing, a copper plate 15 is attached to the bottom face of the casing, the bottom face of the copper plate is connected with a wind collecting cabin 16, the bottom face of the wind collecting cabin is provided with a fan, the outer edge of the wind collecting cabin is provided with wind guide pipes 14, and each wind guide pipe is aligned with one opening 13 on the upper end face of the fan cabin.
An opening is arranged on the upper end face of the fan bin between the two ribs. The number of ribs in the figure is 24, the number of holes is 24, and other numbers are also possible, and the fan power and the required heat dissipation efficiency are particularly seen. The power of the fan is not necessarily large, but the air quantity and the air speed are large.
The bottom surface 21 of the fan bin is provided with a plurality of through holes 19, and after entering the cavity 20 at the bottom of the fan bin, air is driven upwards by the blades of the fan and enters the air collection bin, and then flows upwards through the air guide pipe. The air blown out of the opening is directed upward along the gap between the two ribs.
When the fan is used, the fan rotates, air is sucked from the through hole on the bottom surface of the fan bin, the air is sent into the wind collecting bin, heat on the bottom surface of the shell body conducted by the copper plate is taken away, then the air is blown out of the fan bin through the bent air guide pipe and the open hole, the air flows upwards along the gap between the two ribs in a guiding way, the heat on the outer edge of the shell body is taken away by the flowing air, and the peripheral air flows and is filled below the bottom surface of the fan bin through the guiding effect, so that rapid circulation is formed.
The outer edge of the lower end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes 10 as shown in fig. 2, and the outer side end part of each arc-shaped heat pipe is connected with the inner wall of the shell.
The heat conducting structure is a heat conducting sleeve and is attached to the middle part of the capacitor element, and the length of the heat conducting structure is approximately half to one third of that of the capacitor element. The heat conducting structure can use copper or aluminum, both of which can conduct heat effectively, preferably copper. In addition, the heat pipe is filled with heat conducting liquid, heat can be rapidly conducted out through the heat conducting liquid, and heat accumulation at the heat conducting sleeve is avoided.
In the invention, the heat of the lower end part of the capacitor element is transferred to the bottom surface of the shell by using the vertical heat pipe, the heat of the upper end part of the capacitor element is transferred to the outer edge of the shell by using the arc-shaped heat pipe, and the heat of the two places is taken away by upward flowing air generated by the rotation of the fan, so that a good heat dissipation environment is provided for the safe and stable operation of the capacitor.
Claims (1)
1. The utility model provides a heat radiation structure is synthesized to electric power system compensation capacitor, includes casing, capacitive element and polar plate, sets up capacitive element through the fixed layer in the casing, and the polar plate that capacitive element upper end set up stretches out the end cover outside after passing through the insulating sleeve on the end cover, its characterized in that: the outer edge of the shell is radially and uniformly provided with a plurality of convex edges, the outer edge of the capacitor element is provided with a heat conducting structure, the outer edge of the upper end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes, and the outer end part of each arc-shaped heat pipe is connected with the inner wall of the shell;
one ends of a plurality of vertical heat pipes are radially arranged at the outer edge of the lower end of the heat conducting structure, and the other ends of the plurality of vertical heat pipes are connected with the bottom surface of the shell;
the bottom surface of the shell is provided with a fan bin, a fan which is coaxial with the shell is arranged in the fan bin, and the fan can suck air below the fan bin and blow the air out of the upper end of the fan bin and then guide the air to flow upwards along a gap between the two ribs;
the outer edge of the lower end of the heat conducting structure is radially provided with a plurality of arc-shaped heat pipes, and the outer side end part of each arc-shaped heat pipe is connected with the inner wall of the shell;
the lower end part of the shell is embedded in the upper end surface of the fan bin, a copper plate is attached to the bottom surface of the shell, the bottom surface of the copper plate is connected with a wind collecting bin, the fan is installed on the bottom surface of the wind collecting bin, wind guide pipes are arranged on the outer edge of the wind collecting bin, each wind guide pipe is aligned with one opening on the upper end surface of the fan bin, and the opening is aligned with a gap between two ribs;
the bottom surface of the fan bin is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609635.6A CN109509636B (en) | 2018-12-27 | 2018-12-27 | Comprehensive heat dissipation structure of compensation capacitor of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609635.6A CN109509636B (en) | 2018-12-27 | 2018-12-27 | Comprehensive heat dissipation structure of compensation capacitor of power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109509636A CN109509636A (en) | 2019-03-22 |
| CN109509636B true CN109509636B (en) | 2023-11-10 |
Family
ID=65755292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609635.6A Active CN109509636B (en) | 2018-12-27 | 2018-12-27 | Comprehensive heat dissipation structure of compensation capacitor of power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509636B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026569A (en) * | 2003-07-04 | 2005-01-27 | Matsushita Electric Ind Co Ltd | Film capacitor |
| KR101326217B1 (en) * | 2013-03-15 | 2013-11-11 | (주) 동광라이팅 | The led lamp |
| CN105448518A (en) * | 2015-12-24 | 2016-03-30 | 天津威斯康电能补偿系统有限公司 | Enhanced power compensating capacitor with arc-shaped heat dissipation pipes |
| KR20170002345U (en) * | 2015-12-22 | 2017-06-30 | 주식회사 신강전기 | Cooling structure of the motor housing |
| CN206423034U (en) * | 2016-12-30 | 2017-08-18 | 天津威斯康电能补偿系统有限公司 | A kind of simple cage radiating controllable silicon |
| CN209216783U (en) * | 2018-12-27 | 2019-08-06 | 天津威斯康电能补偿系统有限公司 | A kind of comprehensive radiator structure of electric system compensation capacitor |
-
2018
- 2018-12-27 CN CN201811609635.6A patent/CN109509636B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026569A (en) * | 2003-07-04 | 2005-01-27 | Matsushita Electric Ind Co Ltd | Film capacitor |
| KR101326217B1 (en) * | 2013-03-15 | 2013-11-11 | (주) 동광라이팅 | The led lamp |
| KR20170002345U (en) * | 2015-12-22 | 2017-06-30 | 주식회사 신강전기 | Cooling structure of the motor housing |
| CN105448518A (en) * | 2015-12-24 | 2016-03-30 | 天津威斯康电能补偿系统有限公司 | Enhanced power compensating capacitor with arc-shaped heat dissipation pipes |
| CN206423034U (en) * | 2016-12-30 | 2017-08-18 | 天津威斯康电能补偿系统有限公司 | A kind of simple cage radiating controllable silicon |
| CN209216783U (en) * | 2018-12-27 | 2019-08-06 | 天津威斯康电能补偿系统有限公司 | A kind of comprehensive radiator structure of electric system compensation capacitor |
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| Publication number | Publication date |
|---|---|
| CN109509636A (en) | 2019-03-22 |
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